Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2020

Optics, Photonics and Semiconductorsx

Equation Based Modeling of MOSFET

A. Chakrabarti[1], S. Biswas[1], A. Prabhakar[1], E. Bhattacharya[1]
[1]IIT Madras, India

Introduction In this work, we will present an equation based technique for MOSFET simulation in COMSOL 5.4 and will discuss about the challenges faced in doing the same. The idea behind such a methodology is to demonstrate the coupling of the existing semiconductor equations with ... En savoir plus

Analysis of the Material Removal Rate and Smoothing Effect of Active Fluid Jet Polishing

V. Singh Negi[1], H. Garg[1], S. Kumar[2], V. Karar[2], U. Tiwari[1]
[1]Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Scientific Instruments Organisation (CSIR-CSIO) Campus, Chandigarh, India, India
[2]CSIR-Central Scientific Instruments Organisation, Chandigarh, India, India

Active fluid jet polishing is a sub-aperture polishing process used in the optical fabrication of complex surfaces. Correction of surface irregularities during the polishing process is a challenging process. Quality of optical surface depends on smoothing action during fine and ... En savoir plus

Waveguides and Interferometers : Simulations studies on Photonic Devices using COMSOL Multiphysics®

A. Gayathri[1], S. Kale[1]
[1]Defence Institute Of Advanced Technology, India

Lithium Niobate is a popular material for its non-liner optical properties, which is explored for various applications. Of many applications, use of these materials as photonic devices is indeed novel, in recent times. These photonic devices are set to revolutionise the silicon ... En savoir plus

Design of multilayer Physical Model of Human Eye based on a Physiological Dynamic Parameter using COMSOL Multiphysics®

A. t[1], A. Muthuppalaniappan[2], U. U.[3]
[1]KPR Institute of Engineering and Technology, Tamil Nadu, India
[2]PSG College of Technology, Coimbatore, India
[3]Jonson college of engineering and technology, India

Abstract:- The main objective of this article is to convey a constructive research model based on the structure and function of the eye, which includes recent knowledge to help visual research people. Engineering and scientific researchers look at alternate technology for next ... En savoir plus

Design of Photonic Crystal Fiber with Highly Birefringence

M. Praveena[1], A. D.[1], J. S.[2], s. D.[1], S. S.[3]
[1]Karunya Institute of Technology and Sciences, India
[2]Loyola Institute of Technology, India
[3]VIT, India

Photonic crystal fiber (PCF) is also known as micro structured or holey fiber that uses Photonic crystal, which is formed using a periodic array of microscopic air holes that run along the entire fiber length. Contrary to normal fiber optics, PCFs use total internal reflection or light ... En savoir plus

Study of Scattering Distribution for Spherical Particles

D. Garg[1], A. Bandyopadhyay[2], A. Sengupta[3]
[1]Department of Physics, Indian Institute of Technology Delhi, New Delhi, India, India
[2]Joint Advanced Technology Center, Indian Institute of Technology Delhi, New Delhi, India., India
[3]Department of Physics, Indian Institute of Technology Delhi, New Delhi, India., India

Terahertz (THz) radiation lies in between the microwaves and the infrared region of electromagnetic wave spectrum corresponding to the wavelength 30 µm to 3,000 µm. This EM range has found widespread applications in several industrial ... En savoir plus

Studying the Scattering of Electromagnetic Wave by a Composite 3D Model at Terahertz Frequencies

M. Kashyap[1], A. Bandyopadhyay[2], A. Sengupta[3]
[1]UQ-IITD Academy of Research, Indian Institute of Technology. Delhi, New Delhi, India, India
[2]Joint Advanced Technology Center, Indian Institute of Technology Delhi, New Delhi, India., India
[3]Department of Physics, Indian Institute of Technology Delhi, New Delhi, India., India

The frequency range from 0.1 THz – 10 THz of the electromagnetic spectrum is designated as the Terahertz (THz) band; having unique properties such as high absorption in polar materials, characteristic spectral fingerprints and non-ionizing characteristics because of its weak photon ... En savoir plus

Modeling of PZT Slab for Generating Symmetric and Uniform Axial Strain Distribution

J. Thomas[1], N. Jose[2], P. T. V.[2], R. R.[2]
[1]Govt. Model Engineering College, Thrikkakara, India
[2]Navel Physical Oceanographic Laboratory, India

Piezoceramic crystals have broad application from simple strain measurement on cantilever beams, energy harvesting, and up to evolving areas of photonics. Lead Zirconate Titanate (PZT) ceramic slabs are used for generating modulation on fibers; fiber lasers etc for various applications ... En savoir plus

Deep Learning Enabled Nanophotonic Design via Finite Element Simulation

A. Mall[1], A. Sethi[2], A. Kumar[1]
[1]Indian Institute of Technology Bombay, India
[2]Indian Institute of Technology, Bombay, India

Metamaterials and metasurfaces are emerging technologies in the field of nanophotonics. They can enable the engineering of arbitrary optical response based on their nano structure. The desired effective optical response is quantified by amplitude and phase of the light reflected and ... En savoir plus

Simulation of ZnO/Si nanowires p-n Heterojunction Microarrays Diode based Gas Sensor

C. Samanta[1], A. Raychaudhuri[2], B. Ghosh[1]
[1]S N Bose National Centre For Science Basic Sciences, India
[2]S N Bose National Centre For Basic Sciences, Kolkata, India

In recent year gas sensors are commercially available for use in healthcare such as exhaled breath analysis in addition to hazardous gas monitoring as new vistas for technological application. In this work we first fabricated the vertically aligned Si NW arrays experimentally and ... En savoir plus